(function () {
	var arr = [{
		id: 1,
		name: 'kky1',
		age: 15,
		sex: '男',
		hobby: '学习'
	}, {
		id: 2,
		name: 'kky2',
		age: 16,
		sex: '男',
		hobby: '学习'
	}, {
		id: 3,
		name: 'kky3',
		age: 17,
		sex: '男',
		hobby: '学习'
	}, {
		id: 4,
		name: 'kky4',
		age: 18,
		sex: '男',
		hobby: '学习'
	}, {
		id: 5,
		name: 'kky5',
		age: 19,
		sex: '男',
		hobby: '学习'
	}]
	
	if (!localStorage.arr) {
		localStorage.arr = JSON.stringify(arr);
	}
	
}())